How to mend Derbi Senda 50cc

my sons derbi 50cc bike was going yestewrday then it started to smoke a bit?

derbi senda indicators?

my derbi gp1 open 50cc won't start?

Derbi Senda Wont Run When Hot?

faring?

derbi senda 54 plate leak?

how do i open the valves fully on my dtr 125 02 model?

My derbi senda 50cc keeps cutting out?

is the battery dead?

how can i get my head bolts out they have snapped ? derbi gpr?

i have a derbi senda 50cc, on starting it revs straight up to 900 rpm. ?

derbi senda?

how to reset the service light on my Derbi terra 125?

Derbi Senda Excessive Fuel Consumption?

my derbi senda sm extreme 2007 ?

i have a brand new 2010 derbi senda xrace ?

adam or bb from m?

Which pipe goes to where?

Derbi Senda 50cc?

2003 Derbi Senda R50 6 speed?

runs fast then cuts out?

please help with my Derbi terra 125?

fixing my dtr 2001 model?

eletronic fault on my derbi senda extreme 03 plate?

Derbi senda , no fuel coming through the pipes from the tank to the carb?

my derbi senda's spark plug turns black after one run? plz help?

My derbi senda has orange spark and won't start ?

petrol is pushed through the exhaust port on my derbi senda 06?

how can i fix my derbi senda x-treme indicators?

how to fix my petrol problem?